/*
 * Author: Minyoung
 * CreateAt: 2021年10月14日23:44:45
 * License: MIT
 */
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    color: #333;
}

.container {
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow: hidden;
}

.container::before {
    content: " ";
    position: absolute;
    width: 2000px;
    height: 2000px;
    border-radius: 50%;
    background-image: linear-gradient(-45deg, #6266f5 0%, #04befe 100%);
    transition: 1.8s ease-in-out;
    z-index: 6;
    top: -10%;
    right: 48%;
    transform: translateY(-50%);
}

.container.sign-up-mode::before {
    transform: translate(100%, -50%);
}

.form-warp {
    width: 50%;
    position: absolute;
    z-index: 5;
    left: 75%;
    top: 50%;
    z-index: 5;
    transform: translate(-50%, -50%);
    display: grid;
    grid-template-columns: 1fr;
    transition: 1s 0.7s ease-in-out;
}

.form-warp form {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
    /* 将两个 form 布局在 grid 同一位置 */
    grid-row: 1 / 2;
    grid-column: 1 / 2;
    transition: all 0.2s 0.7s;
    opacity: 1;
    z-index: 4;
}

.form-title {
    color: #6266f5;
}

.form-warp .sign-up-form {
    opacity: 0;
    z-index: 3;
}

.container.sign-up-mode .form-warp {
    left: 25%;
}

.container.sign-up-mode .sign-in-form {
    opacity: 0;
    z-index: 3;
}

.container.sign-up-mode .sign-up-form {
    opacity: 1;
    z-index: 4;
}

input,
.submit-btn {
    min-width: 300px;
    outline: none;
    padding: 12px 30px;
    line-height: 1;
    font-size: 16px;
    border-radius: 60px;
    color: #333;
    background-color: #6267f513;
    border: none;
}

input::placeholder {
    color: #cccc;
}

.submit-btn {
    background-color: #6266f5;
    color: #FFF;
    text-align: center;
    min-width: 150px;
    font-size: initial;
    font-weight: bold;
    letter-spacing: 1.5px;
    cursor: pointer;
}

.desc-warp {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.desc-warp-item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-around;
    text-align: center;
    text-align: center;
    padding: 3rem 17% 2rem 12%;
    z-index: 6;
}

/* 事件穿透 BEGIN */
.sign-in-desc {
    pointer-events: none;
}

.sign-up-mode .sign-in-desc {
    pointer-events: all;
}

.sign-up-mode .sign-up-desc {
    pointer-events: none;
}

/* 事件穿透 END */
.content {
    width: 100%;
    transition: transform 0.9s ease-in-out;
    transition-delay: .6s;
}

.sign-in-desc img,
.sign-in-desc .content {
    transform: translateX(800px);
}

.sign-up-mode .sign-in-desc img,
.sign-up-mode .sign-in-desc .content {
    transform: translateX(0);
}

.sign-up-mode .sign-up-desc img,
.sign-up-mode .sign-up-desc .content {
    transform: translateX(-800px);
}

button {
    outline: none;
    padding: 6px 8px;
    min-width: 100px;
    text-align: center;
    border-radius: 30px;
    border: 2px solid #FFF;
    background: none;
    color: #FFF;
    cursor: pointer;
    transition: all .3s ease;
}

button:active {
    background: rgba(255, 255, 255, .1);
}

img {
    width: 100%;
    display: block;
    transition: transform 0.9s ease-in-out;
    transition-delay: .5s;
}

/* 响应式 */
@media screen and (max-width: 870px) {
    .container::before {
        width: 1500px;
        height: 1500px;
        transform: translateX(-50%);
        left: 30%;
        bottom: 68%;
        right: initial;
        top: initial;
        transition: 2s ease-in-out;
    }

    .container.sign-up-mode::before {
        transform: translate(-50%, 100%);
        bottom: 32%;
        right: initial;
    }

    .form-warp {
        width: 100%;
        top: 75%;
        left: 50%;
        transform: translate(-50%, -100%);
        transition: 1s 0.8s ease-in-out;
    }

    .container.sign-up-mode .form-warp {
        top: 25%;
        left: 50%;
        transform: translate(-50%, 0);
    }

    img {
        width: 200px;
        transition: transform 0.9s ease-in-out;
        transition-delay: 0.7s;
    }

    .desc-warp {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 2fr 1fr;
    }

    .desc-warp-item {
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        padding: 2.5rem 8%;
        grid-column: 1 / 2;
    }

    .sign-in-desc {
        grid-row: 3 / 4;
    }

    .sign-in-desc img,
    .sign-in-desc .content {
        transform: translateY(800px);
    }

    .sign-up-mode .sign-in-desc img,
    .sign-up-mode .sign-in-desc .content {
        transform: translateY(0);
    }

    .sign-up-mode .sign-up-desc img,
    .sign-up-mode .sign-up-desc .content {
        transform: translateY(-800px);
    }
}

@media screen and (max-width: 570px) {
    .container::before {
        bottom: 72%;
        left: 50%;
    }

    img {
        display: none;
    }
}